Method for making a fuel tank in plastic material
US6814921B1 · kind B1 · utility
19Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 14, 2002 |
| Grant date | Nov 9, 2004 |
| Priority date | — |
| Expiry date | May 8, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/7172
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Process for manufacturing a plastic fuel tank from two shells formed by molding, which are joined together, at least one shell being produced by compression-molding a portion of a plastic sheet between a mold and a punch and by the remaining portion of the sheet being blow-molded in the region not compression-molded.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.